Flutterflow Doctor Appointment App

I need a Flutterflow app for doctor appointment booking, similar to Medix.

Key features needed:
- Appointment scheduling
- Payment processing
- Doctor profiles

User roles:
- Patient
- Doctor
- Admin

Ideal Skills and Experience:
- Proficiency in Flutter and Flutterflow
- Experience with appointment booking systems
- Payment integration skills
- User management and role-based access
- UI/UX design experience for intuitive interfaces

Looking for a clean, user-friendly design and smooth functionality. Please share your portfolios and relevant experience.